Feature●The inner hole is about 54mm in diameter and is generally used for 6-10 inch speakers, subwoofers, etc.●The speaker shell open hole diameter is about 60mm, the airflow is very smooth.●Speaker inverting hole, also known as sound tube and air hole, often used in inverting type speakers.●It is mainly to overpower the air flow sound of the speaker vibration in the box and overlap the sound pressure of the radiation in front of the speaker to produce a bass effect.●Made of high quality material, this product is sturdy and durable.Description
Specification:Item Type: Inverter Tube
Total Length: Approx. 150mm / 5.91in (as shown in picture)
Speaker Shell Open Hole Diameter: Approx. 60mm / 2.36in (as shown in picture)
Inner Hole Diameter: Approx. 54mm / 2.13in (as shown in picture)
Package List:Inverter Tube x 2